Home / 6,436.13-8,885.50-4,861.49

Finding the Fourth Proportional to 6,436.13, 8,885.50 and 4,861.49

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Solution

The fourth proportional to 6,436.13, 8,885.50 and 4,861.49 is: 6,711.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,436.13 : 8,885.50 = 4,861.49 : x
  2. Step 2: Convert to fraction form
    6,436.13/8,885.50 = 4,861.49/x
  3. Step 3: Cross multiply
    6,436.13x = 8,885.50 × 4,861.49
  4. Step 4: Simplify right side
    6,436.13x = 43,196,712.81
  5. Step 5: Solve for x
    x = 43,196,712.81/6,436.13
  6. Step 6: Final answer
    x = 6,711.60

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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.