Home / 7,545.39-10,405.80-4,713.02

Finding the Fourth Proportional to 7,545.39, 10,405.80 and 4,713.02

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Solution

The fourth proportional to 7,545.39, 10,405.80 and 4,713.02 is: 6,499.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,545.39 : 10,405.80 = 4,713.02 : x
  2. Step 2: Convert to fraction form
    7,545.39/10,405.80 = 4,713.02/x
  3. Step 3: Cross multiply
    7,545.39x = 10,405.80 × 4,713.02
  4. Step 4: Simplify right side
    7,545.39x = 49,042,730.51
  5. Step 5: Solve for x
    x = 49,042,730.51/7,545.39
  6. Step 6: Final answer
    x = 6,499.70

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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.