Home / 7,230.18-9,985.88-4,868.22

Finding the Fourth Proportional to 7,230.18, 9,985.88 and 4,868.22

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Solution

The fourth proportional to 7,230.18, 9,985.88 and 4,868.22 is: 6,723.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,230.18 : 9,985.88 = 4,868.22 : x
  2. Step 2: Convert to fraction form
    7,230.18/9,985.88 = 4,868.22/x
  3. Step 3: Cross multiply
    7,230.18x = 9,985.88 × 4,868.22
  4. Step 4: Simplify right side
    7,230.18x = 48,613,436.39
  5. Step 5: Solve for x
    x = 48,613,436.39/7,230.18
  6. Step 6: Final answer
    x = 6,723.68

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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.