Home / 5,312.50-7,331.10-2,954.72

Finding the Fourth Proportional to 5,312.50, 7,331.10 and 2,954.72

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Solution

The fourth proportional to 5,312.50, 7,331.10 and 2,954.72 is: 4,077.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,312.50 : 7,331.10 = 2,954.72 : x
  2. Step 2: Convert to fraction form
    5,312.50/7,331.10 = 2,954.72/x
  3. Step 3: Cross multiply
    5,312.50x = 7,331.10 × 2,954.72
  4. Step 4: Simplify right side
    5,312.50x = 21,661,347.79
  5. Step 5: Solve for x
    x = 21,661,347.79/5,312.50
  6. Step 6: Final answer
    x = 4,077.43

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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.