Home / 9,159.02-12,639.39-4,967.26

Finding the Fourth Proportional to 9,159.02, 12,639.39 and 4,967.26

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Solution

The fourth proportional to 9,159.02, 12,639.39 and 4,967.26 is: 6,854.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,159.02 : 12,639.39 = 4,967.26 : x
  2. Step 2: Convert to fraction form
    9,159.02/12,639.39 = 4,967.26/x
  3. Step 3: Cross multiply
    9,159.02x = 12,639.39 × 4,967.26
  4. Step 4: Simplify right side
    9,159.02x = 62,783,136.37
  5. Step 5: Solve for x
    x = 62,783,136.37/9,159.02
  6. Step 6: Final answer
    x = 6,854.79

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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.