Home / 7,060.08-9,742.64-3,916.20

Finding the Fourth Proportional to 7,060.08, 9,742.64 and 3,916.20

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Solution

The fourth proportional to 7,060.08, 9,742.64 and 3,916.20 is: 5,404.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,060.08 : 9,742.64 = 3,916.20 : x
  2. Step 2: Convert to fraction form
    7,060.08/9,742.64 = 3,916.20/x
  3. Step 3: Cross multiply
    7,060.08x = 9,742.64 × 3,916.20
  4. Step 4: Simplify right side
    7,060.08x = 38,154,107.19
  5. Step 5: Solve for x
    x = 38,154,107.19/7,060.08
  6. Step 6: Final answer
    x = 5,404.20

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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.