Home / 9,280.40-13,923.80-4,085.52

Finding the Fourth Proportional to 9,280.40, 13,923.80 and 4,085.52

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Solution

The fourth proportional to 9,280.40, 13,923.80 and 4,085.52 is: 6,129.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,280.40 : 13,923.80 = 4,085.52 : x
  2. Step 2: Convert to fraction form
    9,280.40/13,923.80 = 4,085.52/x
  3. Step 3: Cross multiply
    9,280.40x = 13,923.80 × 4,085.52
  4. Step 4: Simplify right side
    9,280.40x = 56,885,963.38
  5. Step 5: Solve for x
    x = 56,885,963.38/9,280.40
  6. Step 6: Final answer
    x = 6,129.69

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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.