Home / 7,645.18-10,549.73-4,287.54

Finding the Fourth Proportional to 7,645.18, 10,549.73 and 4,287.54

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Solution

The fourth proportional to 7,645.18, 10,549.73 and 4,287.54 is: 5,916.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,645.18 : 10,549.73 = 4,287.54 : x
  2. Step 2: Convert to fraction form
    7,645.18/10,549.73 = 4,287.54/x
  3. Step 3: Cross multiply
    7,645.18x = 10,549.73 × 4,287.54
  4. Step 4: Simplify right side
    7,645.18x = 45,232,367.93
  5. Step 5: Solve for x
    x = 45,232,367.93/7,645.18
  6. Step 6: Final answer
    x = 5,916.46

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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.