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Finding the Fourth Proportional to 5,604.80, 8,407.02 and 2,316.92

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Solution

The fourth proportional to 5,604.80, 8,407.02 and 2,316.92 is: 3,475.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,604.80 : 8,407.02 = 2,316.92 : x
  2. Step 2: Convert to fraction form
    5,604.80/8,407.02 = 2,316.92/x
  3. Step 3: Cross multiply
    5,604.80x = 8,407.02 × 2,316.92
  4. Step 4: Simplify right side
    5,604.80x = 19,478,392.78
  5. Step 5: Solve for x
    x = 19,478,392.78/5,604.80
  6. Step 6: Final answer
    x = 3,475.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.