Home / 7,430.45-10,252.72-4,242.29

Finding the Fourth Proportional to 7,430.45, 10,252.72 and 4,242.29

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Solution

The fourth proportional to 7,430.45, 10,252.72 and 4,242.29 is: 5,853.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,430.45 : 10,252.72 = 4,242.29 : x
  2. Step 2: Convert to fraction form
    7,430.45/10,252.72 = 4,242.29/x
  3. Step 3: Cross multiply
    7,430.45x = 10,252.72 × 4,242.29
  4. Step 4: Simplify right side
    7,430.45x = 43,495,026.55
  5. Step 5: Solve for x
    x = 43,495,026.55/7,430.45
  6. Step 6: Final answer
    x = 5,853.62

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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.