Home / 7,561.08-10,430.46-4,909.96

Finding the Fourth Proportional to 7,561.08, 10,430.46 and 4,909.96

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Solution

The fourth proportional to 7,561.08, 10,430.46 and 4,909.96 is: 6,773.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,561.08 : 10,430.46 = 4,909.96 : x
  2. Step 2: Convert to fraction form
    7,561.08/10,430.46 = 4,909.96/x
  3. Step 3: Cross multiply
    7,561.08x = 10,430.46 × 4,909.96
  4. Step 4: Simplify right side
    7,561.08x = 51,213,141.38
  5. Step 5: Solve for x
    x = 51,213,141.38/7,561.08
  6. Step 6: Final answer
    x = 6,773.26

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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.