Home / 6,281.15-9,421.93-3,159.45

Finding the Fourth Proportional to 6,281.15, 9,421.93 and 3,159.45

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Solution

The fourth proportional to 6,281.15, 9,421.93 and 3,159.45 is: 4,739.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,281.15 : 9,421.93 = 3,159.45 : x
  2. Step 2: Convert to fraction form
    6,281.15/9,421.93 = 3,159.45/x
  3. Step 3: Cross multiply
    6,281.15x = 9,421.93 × 3,159.45
  4. Step 4: Simplify right side
    6,281.15x = 29,768,144.17
  5. Step 5: Solve for x
    x = 29,768,144.17/6,281.15
  6. Step 6: Final answer
    x = 4,739.28

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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.