Home / 7,581.28-10,461.36-4,437.60

Finding the Fourth Proportional to 7,581.28, 10,461.36 and 4,437.60

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Solution

The fourth proportional to 7,581.28, 10,461.36 and 4,437.60 is: 6,123.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,581.28 : 10,461.36 = 4,437.60 : x
  2. Step 2: Convert to fraction form
    7,581.28/10,461.36 = 4,437.60/x
  3. Step 3: Cross multiply
    7,581.28x = 10,461.36 × 4,437.60
  4. Step 4: Simplify right side
    7,581.28x = 46,423,331.14
  5. Step 5: Solve for x
    x = 46,423,331.14/7,581.28
  6. Step 6: Final answer
    x = 6,123.42

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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.