Home / 9,288.40-13,913.70-5,767.60

Finding the Fourth Proportional to 9,288.40, 13,913.70 and 5,767.60

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Solution

The fourth proportional to 9,288.40, 13,913.70 and 5,767.60 is: 8,639.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,288.40 : 13,913.70 = 5,767.60 : x
  2. Step 2: Convert to fraction form
    9,288.40/13,913.70 = 5,767.60/x
  3. Step 3: Cross multiply
    9,288.40x = 13,913.70 × 5,767.60
  4. Step 4: Simplify right side
    9,288.40x = 80,248,656.12
  5. Step 5: Solve for x
    x = 80,248,656.12/9,288.40
  6. Step 6: Final answer
    x = 8,639.66

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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.