Home / 6,312.13-9,468.20-2,800.78

Finding the Fourth Proportional to 6,312.13, 9,468.20 and 2,800.78

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Solution

The fourth proportional to 6,312.13, 9,468.20 and 2,800.78 is: 4,201.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,312.13 : 9,468.20 = 2,800.78 : x
  2. Step 2: Convert to fraction form
    6,312.13/9,468.20 = 2,800.78/x
  3. Step 3: Cross multiply
    6,312.13x = 9,468.20 × 2,800.78
  4. Step 4: Simplify right side
    6,312.13x = 26,518,345.20
  5. Step 5: Solve for x
    x = 26,518,345.20/6,312.13
  6. Step 6: Final answer
    x = 4,201.17

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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.