Home / 7,358.55-10,152.51-4,171.32

Finding the Fourth Proportional to 7,358.55, 10,152.51 and 4,171.32

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Solution

The fourth proportional to 7,358.55, 10,152.51 and 4,171.32 is: 5,755.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,358.55 : 10,152.51 = 4,171.32 : x
  2. Step 2: Convert to fraction form
    7,358.55/10,152.51 = 4,171.32/x
  3. Step 3: Cross multiply
    7,358.55x = 10,152.51 × 4,171.32
  4. Step 4: Simplify right side
    7,358.55x = 42,349,368.01
  5. Step 5: Solve for x
    x = 42,349,368.01/7,358.55
  6. Step 6: Final answer
    x = 5,755.12

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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.