Home / 5,240.72-7,233.74-3,117.76

Finding the Fourth Proportional to 5,240.72, 7,233.74 and 3,117.76

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Solution

The fourth proportional to 5,240.72, 7,233.74 and 3,117.76 is: 4,303.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,240.72 : 7,233.74 = 3,117.76 : x
  2. Step 2: Convert to fraction form
    5,240.72/7,233.74 = 3,117.76/x
  3. Step 3: Cross multiply
    5,240.72x = 7,233.74 × 3,117.76
  4. Step 4: Simplify right side
    5,240.72x = 22,553,013.46
  5. Step 5: Solve for x
    x = 22,553,013.46/5,240.72
  6. Step 6: Final answer
    x = 4,303.42

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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.