Home / 8,750.07-12,069.50-5,345.51

Finding the Fourth Proportional to 8,750.07, 12,069.50 and 5,345.51

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Solution

The fourth proportional to 8,750.07, 12,069.50 and 5,345.51 is: 7,373.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,750.07 : 12,069.50 = 5,345.51 : x
  2. Step 2: Convert to fraction form
    8,750.07/12,069.50 = 5,345.51/x
  3. Step 3: Cross multiply
    8,750.07x = 12,069.50 × 5,345.51
  4. Step 4: Simplify right side
    8,750.07x = 64,517,545.87
  5. Step 5: Solve for x
    x = 64,517,545.87/8,750.07
  6. Step 6: Final answer
    x = 7,373.37

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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.