Home / 8,501.19-12,728.13-4,332.21

Finding the Fourth Proportional to 8,501.19, 12,728.13 and 4,332.21

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Solution

The fourth proportional to 8,501.19, 12,728.13 and 4,332.21 is: 6,486.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,501.19 : 12,728.13 = 4,332.21 : x
  2. Step 2: Convert to fraction form
    8,501.19/12,728.13 = 4,332.21/x
  3. Step 3: Cross multiply
    8,501.19x = 12,728.13 × 4,332.21
  4. Step 4: Simplify right side
    8,501.19x = 55,140,932.07
  5. Step 5: Solve for x
    x = 55,140,932.07/8,501.19
  6. Step 6: Final answer
    x = 6,486.26

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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.