Home / 9,478.46-13,080.62-5,501.77

Finding the Fourth Proportional to 9,478.46, 13,080.62 and 5,501.77

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Solution

The fourth proportional to 9,478.46, 13,080.62 and 5,501.77 is: 7,592.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,478.46 : 13,080.62 = 5,501.77 : x
  2. Step 2: Convert to fraction form
    9,478.46/13,080.62 = 5,501.77/x
  3. Step 3: Cross multiply
    9,478.46x = 13,080.62 × 5,501.77
  4. Step 4: Simplify right side
    9,478.46x = 71,966,562.70
  5. Step 5: Solve for x
    x = 71,966,562.70/9,478.46
  6. Step 6: Final answer
    x = 7,592.64

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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.