Home / 8,710.76-13,065.66-5,379.63

Finding the Fourth Proportional to 8,710.76, 13,065.66 and 5,379.63

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Solution

The fourth proportional to 8,710.76, 13,065.66 and 5,379.63 is: 8,069.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,710.76 : 13,065.66 = 5,379.63 : x
  2. Step 2: Convert to fraction form
    8,710.76/13,065.66 = 5,379.63/x
  3. Step 3: Cross multiply
    8,710.76x = 13,065.66 × 5,379.63
  4. Step 4: Simplify right side
    8,710.76x = 70,288,416.51
  5. Step 5: Solve for x
    x = 70,288,416.51/8,710.76
  6. Step 6: Final answer
    x = 8,069.15

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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.