Home / 8,707.14-13,061.34-4,320.18

Finding the Fourth Proportional to 8,707.14, 13,061.34 and 4,320.18

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Solution

The fourth proportional to 8,707.14, 13,061.34 and 4,320.18 is: 6,480.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,707.14 : 13,061.34 = 4,320.18 : x
  2. Step 2: Convert to fraction form
    8,707.14/13,061.34 = 4,320.18/x
  3. Step 3: Cross multiply
    8,707.14x = 13,061.34 × 4,320.18
  4. Step 4: Simplify right side
    8,707.14x = 56,427,339.84
  5. Step 5: Solve for x
    x = 56,427,339.84/8,707.14
  6. Step 6: Final answer
    x = 6,480.58

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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.