Home / 6,478.30-9,717.93-2,319.10

Finding the Fourth Proportional to 6,478.30, 9,717.93 and 2,319.10

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Solution

The fourth proportional to 6,478.30, 9,717.93 and 2,319.10 is: 3,478.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,478.30 : 9,717.93 = 2,319.10 : x
  2. Step 2: Convert to fraction form
    6,478.30/9,717.93 = 2,319.10/x
  3. Step 3: Cross multiply
    6,478.30x = 9,717.93 × 2,319.10
  4. Step 4: Simplify right side
    6,478.30x = 22,536,851.46
  5. Step 5: Solve for x
    x = 22,536,851.46/6,478.30
  6. Step 6: Final answer
    x = 3,478.82

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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.