Home / 7,430.79-10,254.42-4,073.54

Finding the Fourth Proportional to 7,430.79, 10,254.42 and 4,073.54

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Solution

The fourth proportional to 7,430.79, 10,254.42 and 4,073.54 is: 5,621.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,430.79 : 10,254.42 = 4,073.54 : x
  2. Step 2: Convert to fraction form
    7,430.79/10,254.42 = 4,073.54/x
  3. Step 3: Cross multiply
    7,430.79x = 10,254.42 × 4,073.54
  4. Step 4: Simplify right side
    7,430.79x = 41,771,807.91
  5. Step 5: Solve for x
    x = 41,771,807.91/7,430.79
  6. Step 6: Final answer
    x = 5,621.45

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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.