Home / 6,501.87-8,973.38-4,147.20

Finding the Fourth Proportional to 6,501.87, 8,973.38 and 4,147.20

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Solution

The fourth proportional to 6,501.87, 8,973.38 and 4,147.20 is: 5,723.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,501.87 : 8,973.38 = 4,147.20 : x
  2. Step 2: Convert to fraction form
    6,501.87/8,973.38 = 4,147.20/x
  3. Step 3: Cross multiply
    6,501.87x = 8,973.38 × 4,147.20
  4. Step 4: Simplify right side
    6,501.87x = 37,214,411.90
  5. Step 5: Solve for x
    x = 37,214,411.90/6,501.87
  6. Step 6: Final answer
    x = 5,723.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.