Home / 8,756.34-12,085.77-5,772.70

Finding the Fourth Proportional to 8,756.34, 12,085.77 and 5,772.70

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Solution

The fourth proportional to 8,756.34, 12,085.77 and 5,772.70 is: 7,967.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,756.34 : 12,085.77 = 5,772.70 : x
  2. Step 2: Convert to fraction form
    8,756.34/12,085.77 = 5,772.70/x
  3. Step 3: Cross multiply
    8,756.34x = 12,085.77 × 5,772.70
  4. Step 4: Simplify right side
    8,756.34x = 69,767,524.48
  5. Step 5: Solve for x
    x = 69,767,524.48/8,756.34
  6. Step 6: Final answer
    x = 7,967.66

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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.