Home / 8,461.20-11,674.98-4,875.36

Finding the Fourth Proportional to 8,461.20, 11,674.98 and 4,875.36

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Solution

The fourth proportional to 8,461.20, 11,674.98 and 4,875.36 is: 6,727.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,461.20 : 11,674.98 = 4,875.36 : x
  2. Step 2: Convert to fraction form
    8,461.20/11,674.98 = 4,875.36/x
  3. Step 3: Cross multiply
    8,461.20x = 11,674.98 × 4,875.36
  4. Step 4: Simplify right side
    8,461.20x = 56,919,730.49
  5. Step 5: Solve for x
    x = 56,919,730.49/8,461.20
  6. Step 6: Final answer
    x = 6,727.15

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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.