Home / 9,245.95-13,870.28-3,402.07

Finding the Fourth Proportional to 9,245.95, 13,870.28 and 3,402.07

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Solution

The fourth proportional to 9,245.95, 13,870.28 and 3,402.07 is: 5,103.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,245.95 : 13,870.28 = 3,402.07 : x
  2. Step 2: Convert to fraction form
    9,245.95/13,870.28 = 3,402.07/x
  3. Step 3: Cross multiply
    9,245.95x = 13,870.28 × 3,402.07
  4. Step 4: Simplify right side
    9,245.95x = 47,187,663.48
  5. Step 5: Solve for x
    x = 47,187,663.48/9,245.95
  6. Step 6: Final answer
    x = 5,103.60

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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.