Home / 5,068.80-7,587.45-4,638.15

Finding the Fourth Proportional to 5,068.80, 7,587.45 and 4,638.15

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Solution

The fourth proportional to 5,068.80, 7,587.45 and 4,638.15 is: 6,942.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,068.80 : 7,587.45 = 4,638.15 : x
  2. Step 2: Convert to fraction form
    5,068.80/7,587.45 = 4,638.15/x
  3. Step 3: Cross multiply
    5,068.80x = 7,587.45 × 4,638.15
  4. Step 4: Simplify right side
    5,068.80x = 35,191,731.22
  5. Step 5: Solve for x
    x = 35,191,731.22/5,068.80
  6. Step 6: Final answer
    x = 6,942.81

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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.