Home / 9,259.04-12,777.16-5,281.44

Finding the Fourth Proportional to 9,259.04, 12,777.16 and 5,281.44

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Solution

The fourth proportional to 9,259.04, 12,777.16 and 5,281.44 is: 7,288.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,259.04 : 12,777.16 = 5,281.44 : x
  2. Step 2: Convert to fraction form
    9,259.04/12,777.16 = 5,281.44/x
  3. Step 3: Cross multiply
    9,259.04x = 12,777.16 × 5,281.44
  4. Step 4: Simplify right side
    9,259.04x = 67,481,803.91
  5. Step 5: Solve for x
    x = 67,481,803.91/9,259.04
  6. Step 6: Final answer
    x = 7,288.21

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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.