Home / 8,437.16-12,655.91-2,896.87

Finding the Fourth Proportional to 8,437.16, 12,655.91 and 2,896.87

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Solution

The fourth proportional to 8,437.16, 12,655.91 and 2,896.87 is: 4,345.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,437.16 : 12,655.91 = 2,896.87 : x
  2. Step 2: Convert to fraction form
    8,437.16/12,655.91 = 2,896.87/x
  3. Step 3: Cross multiply
    8,437.16x = 12,655.91 × 2,896.87
  4. Step 4: Simplify right side
    8,437.16x = 36,662,526.00
  5. Step 5: Solve for x
    x = 36,662,526.00/8,437.16
  6. Step 6: Final answer
    x = 4,345.36

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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.