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Finding the Fourth Proportional to 6,574.79, 9,862.16 and 2,877.30

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Solution

The fourth proportional to 6,574.79, 9,862.16 and 2,877.30 is: 4,315.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,574.79 : 9,862.16 = 2,877.30 : x
  2. Step 2: Convert to fraction form
    6,574.79/9,862.16 = 2,877.30/x
  3. Step 3: Cross multiply
    6,574.79x = 9,862.16 × 2,877.30
  4. Step 4: Simplify right side
    6,574.79x = 28,376,378.58
  5. Step 5: Solve for x
    x = 28,376,378.58/6,574.79
  6. Step 6: Final answer
    x = 4,315.94

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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.