Home / 8,403.30-12,588.57-4,884.66

Finding the Fourth Proportional to 8,403.30, 12,588.57 and 4,884.66

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Solution

The fourth proportional to 8,403.30, 12,588.57 and 4,884.66 is: 7,317.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,403.30 : 12,588.57 = 4,884.66 : x
  2. Step 2: Convert to fraction form
    8,403.30/12,588.57 = 4,884.66/x
  3. Step 3: Cross multiply
    8,403.30x = 12,588.57 × 4,884.66
  4. Step 4: Simplify right side
    8,403.30x = 61,490,884.34
  5. Step 5: Solve for x
    x = 61,490,884.34/8,403.30
  6. Step 6: Final answer
    x = 7,317.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.