Home / 7,901.47-11,846.13-3,157.10

Finding the Fourth Proportional to 7,901.47, 11,846.13 and 3,157.10

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Solution

The fourth proportional to 7,901.47, 11,846.13 and 3,157.10 is: 4,733.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,901.47 : 11,846.13 = 3,157.10 : x
  2. Step 2: Convert to fraction form
    7,901.47/11,846.13 = 3,157.10/x
  3. Step 3: Cross multiply
    7,901.47x = 11,846.13 × 3,157.10
  4. Step 4: Simplify right side
    7,901.47x = 37,399,417.02
  5. Step 5: Solve for x
    x = 37,399,417.02/7,901.47
  6. Step 6: Final answer
    x = 4,733.22

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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.