Home / 7,496.28-10,345.19-4,139.55

Finding the Fourth Proportional to 7,496.28, 10,345.19 and 4,139.55

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Solution

The fourth proportional to 7,496.28, 10,345.19 and 4,139.55 is: 5,712.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,496.28 : 10,345.19 = 4,139.55 : x
  2. Step 2: Convert to fraction form
    7,496.28/10,345.19 = 4,139.55/x
  3. Step 3: Cross multiply
    7,496.28x = 10,345.19 × 4,139.55
  4. Step 4: Simplify right side
    7,496.28x = 42,824,410.57
  5. Step 5: Solve for x
    x = 42,824,410.57/7,496.28
  6. Step 6: Final answer
    x = 5,712.75

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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.