Home / 8,921.34-12,310.65-4,941.41

Finding the Fourth Proportional to 8,921.34, 12,310.65 and 4,941.41

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Solution

The fourth proportional to 8,921.34, 12,310.65 and 4,941.41 is: 6,818.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,921.34 : 12,310.65 = 4,941.41 : x
  2. Step 2: Convert to fraction form
    8,921.34/12,310.65 = 4,941.41/x
  3. Step 3: Cross multiply
    8,921.34x = 12,310.65 × 4,941.41
  4. Step 4: Simplify right side
    8,921.34x = 60,831,907.46
  5. Step 5: Solve for x
    x = 60,831,907.46/8,921.34
  6. Step 6: Final answer
    x = 6,818.70

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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.