Home / 7,416-11,115.36-4,127.52

Finding the Fourth Proportional to 7,416, 11,115.36 and 4,127.52

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Solution

The fourth proportional to 7,416, 11,115.36 and 4,127.52 is: 6,186.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,416 : 11,115.36 = 4,127.52 : x
  2. Step 2: Convert to fraction form
    7,416/11,115.36 = 4,127.52/x
  3. Step 3: Cross multiply
    7,416x = 11,115.36 × 4,127.52
  4. Step 4: Simplify right side
    7,416x = 45,878,870.71
  5. Step 5: Solve for x
    x = 45,878,870.71/7,416
  6. Step 6: Final answer
    x = 6,186.47

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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.