Home / 7,875.23-11,801.70-4,366.78

Finding the Fourth Proportional to 7,875.23, 11,801.70 and 4,366.78

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Solution

The fourth proportional to 7,875.23, 11,801.70 and 4,366.78 is: 6,543.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,875.23 : 11,801.70 = 4,366.78 : x
  2. Step 2: Convert to fraction form
    7,875.23/11,801.70 = 4,366.78/x
  3. Step 3: Cross multiply
    7,875.23x = 11,801.70 × 4,366.78
  4. Step 4: Simplify right side
    7,875.23x = 51,535,398.02
  5. Step 5: Solve for x
    x = 51,535,398.02/7,875.23
  6. Step 6: Final answer
    x = 6,543.99

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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.