Home / 9,356.26-12,913.28-5,579.65

Finding the Fourth Proportional to 9,356.26, 12,913.28 and 5,579.65

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Solution

The fourth proportional to 9,356.26, 12,913.28 and 5,579.65 is: 7,700.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,356.26 : 12,913.28 = 5,579.65 : x
  2. Step 2: Convert to fraction form
    9,356.26/12,913.28 = 5,579.65/x
  3. Step 3: Cross multiply
    9,356.26x = 12,913.28 × 5,579.65
  4. Step 4: Simplify right side
    9,356.26x = 72,051,582.75
  5. Step 5: Solve for x
    x = 72,051,582.75/9,356.26
  6. Step 6: Final answer
    x = 7,700.90

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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.