Home / 5,114.77-7,058.45-3,124.90

Finding the Fourth Proportional to 5,114.77, 7,058.45 and 3,124.90

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Solution

The fourth proportional to 5,114.77, 7,058.45 and 3,124.90 is: 4,312.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,114.77 : 7,058.45 = 3,124.90 : x
  2. Step 2: Convert to fraction form
    5,114.77/7,058.45 = 3,124.90/x
  3. Step 3: Cross multiply
    5,114.77x = 7,058.45 × 3,124.90
  4. Step 4: Simplify right side
    5,114.77x = 22,056,967.04
  5. Step 5: Solve for x
    x = 22,056,967.04/5,114.77
  6. Step 6: Final answer
    x = 4,312.41

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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.