Home / 5,239.07-7,859.72-1,541.42

Finding the Fourth Proportional to 5,239.07, 7,859.72 and 1,541.42

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Solution

The fourth proportional to 5,239.07, 7,859.72 and 1,541.42 is: 2,312.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,239.07 : 7,859.72 = 1,541.42 : x
  2. Step 2: Convert to fraction form
    5,239.07/7,859.72 = 1,541.42/x
  3. Step 3: Cross multiply
    5,239.07x = 7,859.72 × 1,541.42
  4. Step 4: Simplify right side
    5,239.07x = 12,115,129.60
  5. Step 5: Solve for x
    x = 12,115,129.60/5,239.07
  6. Step 6: Final answer
    x = 2,312.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.