Home / 5,353.47-8,030.43-1,457.87

Finding the Fourth Proportional to 5,353.47, 8,030.43 and 1,457.87

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Solution

The fourth proportional to 5,353.47, 8,030.43 and 1,457.87 is: 2,186.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,353.47 : 8,030.43 = 1,457.87 : x
  2. Step 2: Convert to fraction form
    5,353.47/8,030.43 = 1,457.87/x
  3. Step 3: Cross multiply
    5,353.47x = 8,030.43 × 1,457.87
  4. Step 4: Simplify right side
    5,353.47x = 11,707,282.83
  5. Step 5: Solve for x
    x = 11,707,282.83/5,353.47
  6. Step 6: Final answer
    x = 2,186.86

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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.