Home / 6,479.80-9,717.30-4,526.20

Finding the Fourth Proportional to 6,479.80, 9,717.30 and 4,526.20

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Solution

The fourth proportional to 6,479.80, 9,717.30 and 4,526.20 is: 6,787.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,479.80 : 9,717.30 = 4,526.20 : x
  2. Step 2: Convert to fraction form
    6,479.80/9,717.30 = 4,526.20/x
  3. Step 3: Cross multiply
    6,479.80x = 9,717.30 × 4,526.20
  4. Step 4: Simplify right side
    6,479.80x = 43,982,443.26
  5. Step 5: Solve for x
    x = 43,982,443.26/6,479.80
  6. Step 6: Final answer
    x = 6,787.62

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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.