Home / 9,210.28-12,714.02-6,972.79

Finding the Fourth Proportional to 9,210.28, 12,714.02 and 6,972.79

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Solution

The fourth proportional to 9,210.28, 12,714.02 and 6,972.79 is: 9,625.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,210.28 : 12,714.02 = 6,972.79 : x
  2. Step 2: Convert to fraction form
    9,210.28/12,714.02 = 6,972.79/x
  3. Step 3: Cross multiply
    9,210.28x = 12,714.02 × 6,972.79
  4. Step 4: Simplify right side
    9,210.28x = 88,652,156.65
  5. Step 5: Solve for x
    x = 88,652,156.65/9,210.28
  6. Step 6: Final answer
    x = 9,625.35

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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.