Home / 4,721.12-6,516.90-4,055.30

Finding the Fourth Proportional to 4,721.12, 6,516.90 and 4,055.30

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Solution

The fourth proportional to 4,721.12, 6,516.90 and 4,055.30 is: 5,597.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,721.12 : 6,516.90 = 4,055.30 : x
  2. Step 2: Convert to fraction form
    4,721.12/6,516.90 = 4,055.30/x
  3. Step 3: Cross multiply
    4,721.12x = 6,516.90 × 4,055.30
  4. Step 4: Simplify right side
    4,721.12x = 26,427,984.57
  5. Step 5: Solve for x
    x = 26,427,984.57/4,721.12
  6. Step 6: Final answer
    x = 5,597.82

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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.