Home / 7,545.10-10,412.88-4,188.26

Finding the Fourth Proportional to 7,545.10, 10,412.88 and 4,188.26

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Solution

The fourth proportional to 7,545.10, 10,412.88 and 4,188.26 is: 5,780.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,545.10 : 10,412.88 = 4,188.26 : x
  2. Step 2: Convert to fraction form
    7,545.10/10,412.88 = 4,188.26/x
  3. Step 3: Cross multiply
    7,545.10x = 10,412.88 × 4,188.26
  4. Step 4: Simplify right side
    7,545.10x = 43,611,848.79
  5. Step 5: Solve for x
    x = 43,611,848.79/7,545.10
  6. Step 6: Final answer
    x = 5,780.16

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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.