Home / 6,254.31-8,615.91-5,259.63

Finding the Fourth Proportional to 6,254.31, 8,615.91 and 5,259.63

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Solution

The fourth proportional to 6,254.31, 8,615.91 and 5,259.63 is: 7,245.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,254.31 : 8,615.91 = 5,259.63 : x
  2. Step 2: Convert to fraction form
    6,254.31/8,615.91 = 5,259.63/x
  3. Step 3: Cross multiply
    6,254.31x = 8,615.91 × 5,259.63
  4. Step 4: Simplify right side
    6,254.31x = 45,316,498.71
  5. Step 5: Solve for x
    x = 45,316,498.71/6,254.31
  6. Step 6: Final answer
    x = 7,245.64

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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.