Home / 9,062.30-12,502.96-5,478.36

Finding the Fourth Proportional to 9,062.30, 12,502.96 and 5,478.36

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Solution

The fourth proportional to 9,062.30, 12,502.96 and 5,478.36 is: 7,558.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,062.30 : 12,502.96 = 5,478.36 : x
  2. Step 2: Convert to fraction form
    9,062.30/12,502.96 = 5,478.36/x
  3. Step 3: Cross multiply
    9,062.30x = 12,502.96 × 5,478.36
  4. Step 4: Simplify right side
    9,062.30x = 68,495,715.95
  5. Step 5: Solve for x
    x = 68,495,715.95/9,062.30
  6. Step 6: Final answer
    x = 7,558.31

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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.