Home / 5,430.65-7,495.10-3,441.38

Finding the Fourth Proportional to 5,430.65, 7,495.10 and 3,441.38

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Solution

The fourth proportional to 5,430.65, 7,495.10 and 3,441.38 is: 4,749.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,430.65 : 7,495.10 = 3,441.38 : x
  2. Step 2: Convert to fraction form
    5,430.65/7,495.10 = 3,441.38/x
  3. Step 3: Cross multiply
    5,430.65x = 7,495.10 × 3,441.38
  4. Step 4: Simplify right side
    5,430.65x = 25,793,488.77
  5. Step 5: Solve for x
    x = 25,793,488.77/5,430.65
  6. Step 6: Final answer
    x = 4,749.62

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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.