Home / 8,756.39-12,083.80-4,777.50

Finding the Fourth Proportional to 8,756.39, 12,083.80 and 4,777.50

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Solution

The fourth proportional to 8,756.39, 12,083.80 and 4,777.50 is: 6,592.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,756.39 : 12,083.80 = 4,777.50 : x
  2. Step 2: Convert to fraction form
    8,756.39/12,083.80 = 4,777.50/x
  3. Step 3: Cross multiply
    8,756.39x = 12,083.80 × 4,777.50
  4. Step 4: Simplify right side
    8,756.39x = 57,730,328.86
  5. Step 5: Solve for x
    x = 57,730,328.86/8,756.39
  6. Step 6: Final answer
    x = 6,592.94

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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.