Home / 8,948.21-12,360.17-6,810.77

Finding the Fourth Proportional to 8,948.21, 12,360.17 and 6,810.77

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Solution

The fourth proportional to 8,948.21, 12,360.17 and 6,810.77 is: 9,407.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,948.21 : 12,360.17 = 6,810.77 : x
  2. Step 2: Convert to fraction form
    8,948.21/12,360.17 = 6,810.77/x
  3. Step 3: Cross multiply
    8,948.21x = 12,360.17 × 6,810.77
  4. Step 4: Simplify right side
    8,948.21x = 84,182,179.18
  5. Step 5: Solve for x
    x = 84,182,179.18/8,948.21
  6. Step 6: Final answer
    x = 9,407.72

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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.