Home / 9,840.88-14,762.28-4,292.56

Finding the Fourth Proportional to 9,840.88, 14,762.28 and 4,292.56

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Solution

The fourth proportional to 9,840.88, 14,762.28 and 4,292.56 is: 6,439.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,840.88 : 14,762.28 = 4,292.56 : x
  2. Step 2: Convert to fraction form
    9,840.88/14,762.28 = 4,292.56/x
  3. Step 3: Cross multiply
    9,840.88x = 14,762.28 × 4,292.56
  4. Step 4: Simplify right side
    9,840.88x = 63,367,972.64
  5. Step 5: Solve for x
    x = 63,367,972.64/9,840.88
  6. Step 6: Final answer
    x = 6,439.26

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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.