Home / 5,154.46-7,131.90-4,492.69

Finding the Fourth Proportional to 5,154.46, 7,131.90 and 4,492.69

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Solution

The fourth proportional to 5,154.46, 7,131.90 and 4,492.69 is: 6,216.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,154.46 : 7,131.90 = 4,492.69 : x
  2. Step 2: Convert to fraction form
    5,154.46/7,131.90 = 4,492.69/x
  3. Step 3: Cross multiply
    5,154.46x = 7,131.90 × 4,492.69
  4. Step 4: Simplify right side
    5,154.46x = 32,041,415.81
  5. Step 5: Solve for x
    x = 32,041,415.81/5,154.46
  6. Step 6: Final answer
    x = 6,216.25

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.