Home / 7,545.21-10,412.28-4,188.01

Finding the Fourth Proportional to 7,545.21, 10,412.28 and 4,188.01

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Solution

The fourth proportional to 7,545.21, 10,412.28 and 4,188.01 is: 5,779.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,545.21 : 10,412.28 = 4,188.01 : x
  2. Step 2: Convert to fraction form
    7,545.21/10,412.28 = 4,188.01/x
  3. Step 3: Cross multiply
    7,545.21x = 10,412.28 × 4,188.01
  4. Step 4: Simplify right side
    7,545.21x = 43,606,680.70
  5. Step 5: Solve for x
    x = 43,606,680.70/7,545.21
  6. Step 6: Final answer
    x = 5,779.39

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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.