Home / 8,743.59-12,056.85-6,501.78

Finding the Fourth Proportional to 8,743.59, 12,056.85 and 6,501.78

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Solution

The fourth proportional to 8,743.59, 12,056.85 and 6,501.78 is: 8,965.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,743.59 : 12,056.85 = 6,501.78 : x
  2. Step 2: Convert to fraction form
    8,743.59/12,056.85 = 6,501.78/x
  3. Step 3: Cross multiply
    8,743.59x = 12,056.85 × 6,501.78
  4. Step 4: Simplify right side
    8,743.59x = 78,390,986.19
  5. Step 5: Solve for x
    x = 78,390,986.19/8,743.59
  6. Step 6: Final answer
    x = 8,965.54

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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.