Home / 7,189.18-9,925.98-4,501.48

Finding the Fourth Proportional to 7,189.18, 9,925.98 and 4,501.48

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Solution

The fourth proportional to 7,189.18, 9,925.98 and 4,501.48 is: 6,215.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,189.18 : 9,925.98 = 4,501.48 : x
  2. Step 2: Convert to fraction form
    7,189.18/9,925.98 = 4,501.48/x
  3. Step 3: Cross multiply
    7,189.18x = 9,925.98 × 4,501.48
  4. Step 4: Simplify right side
    7,189.18x = 44,681,600.45
  5. Step 5: Solve for x
    x = 44,681,600.45/7,189.18
  6. Step 6: Final answer
    x = 6,215.12

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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.