Home / 7,476.16-10,320.60-4,331.76

Finding the Fourth Proportional to 7,476.16, 10,320.60 and 4,331.76

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Solution

The fourth proportional to 7,476.16, 10,320.60 and 4,331.76 is: 5,979.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,476.16 : 10,320.60 = 4,331.76 : x
  2. Step 2: Convert to fraction form
    7,476.16/10,320.60 = 4,331.76/x
  3. Step 3: Cross multiply
    7,476.16x = 10,320.60 × 4,331.76
  4. Step 4: Simplify right side
    7,476.16x = 44,706,362.26
  5. Step 5: Solve for x
    x = 44,706,362.26/7,476.16
  6. Step 6: Final answer
    x = 5,979.86

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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.