Home / 7,545.14-10,412.13-4,187.93

Finding the Fourth Proportional to 7,545.14, 10,412.13 and 4,187.93

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Solution

The fourth proportional to 7,545.14, 10,412.13 and 4,187.93 is: 5,779.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,545.14 : 10,412.13 = 4,187.93 : x
  2. Step 2: Convert to fraction form
    7,545.14/10,412.13 = 4,187.93/x
  3. Step 3: Cross multiply
    7,545.14x = 10,412.13 × 4,187.93
  4. Step 4: Simplify right side
    7,545.14x = 43,605,219.53
  5. Step 5: Solve for x
    x = 43,605,219.53/7,545.14
  6. Step 6: Final answer
    x = 5,779.25

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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.