Home / 8,870.99-13,311.65-4,925.55

Finding the Fourth Proportional to 8,870.99, 13,311.65 and 4,925.55

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Solution

The fourth proportional to 8,870.99, 13,311.65 and 4,925.55 is: 7,391.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,870.99 : 13,311.65 = 4,925.55 : x
  2. Step 2: Convert to fraction form
    8,870.99/13,311.65 = 4,925.55/x
  3. Step 3: Cross multiply
    8,870.99x = 13,311.65 × 4,925.55
  4. Step 4: Simplify right side
    8,870.99x = 65,567,197.66
  5. Step 5: Solve for x
    x = 65,567,197.66/8,870.99
  6. Step 6: Final answer
    x = 7,391.19

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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.