Home / 7,436.74-10,257.33-6,315.91

Finding the Fourth Proportional to 7,436.74, 10,257.33 and 6,315.91

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Solution

The fourth proportional to 7,436.74, 10,257.33 and 6,315.91 is: 8,711.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,436.74 : 10,257.33 = 6,315.91 : x
  2. Step 2: Convert to fraction form
    7,436.74/10,257.33 = 6,315.91/x
  3. Step 3: Cross multiply
    7,436.74x = 10,257.33 × 6,315.91
  4. Step 4: Simplify right side
    7,436.74x = 64,784,373.12
  5. Step 5: Solve for x
    x = 64,784,373.12/7,436.74
  6. Step 6: Final answer
    x = 8,711.39

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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.