Home / 7,492.21-10,339.12-4,135.02

Finding the Fourth Proportional to 7,492.21, 10,339.12 and 4,135.02

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Solution

The fourth proportional to 7,492.21, 10,339.12 and 4,135.02 is: 5,706.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,492.21 : 10,339.12 = 4,135.02 : x
  2. Step 2: Convert to fraction form
    7,492.21/10,339.12 = 4,135.02/x
  3. Step 3: Cross multiply
    7,492.21x = 10,339.12 × 4,135.02
  4. Step 4: Simplify right side
    7,492.21x = 42,752,434.38
  5. Step 5: Solve for x
    x = 42,752,434.38/7,492.21
  6. Step 6: Final answer
    x = 5,706.25

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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.