Home / 6,316.47-8,717.53-5,252.40

Finding the Fourth Proportional to 6,316.47, 8,717.53 and 5,252.40

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Solution

The fourth proportional to 6,316.47, 8,717.53 and 5,252.40 is: 7,248.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,316.47 : 8,717.53 = 5,252.40 : x
  2. Step 2: Convert to fraction form
    6,316.47/8,717.53 = 5,252.40/x
  3. Step 3: Cross multiply
    6,316.47x = 8,717.53 × 5,252.40
  4. Step 4: Simplify right side
    6,316.47x = 45,787,990.58
  5. Step 5: Solve for x
    x = 45,787,990.58/6,316.47
  6. Step 6: Final answer
    x = 7,248.99

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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.