Home / 9,278.84-13,899.71-5,579.04

Finding the Fourth Proportional to 9,278.84, 13,899.71 and 5,579.04

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Solution

The fourth proportional to 9,278.84, 13,899.71 and 5,579.04 is: 8,357.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,278.84 : 13,899.71 = 5,579.04 : x
  2. Step 2: Convert to fraction form
    9,278.84/13,899.71 = 5,579.04/x
  3. Step 3: Cross multiply
    9,278.84x = 13,899.71 × 5,579.04
  4. Step 4: Simplify right side
    9,278.84x = 77,547,038.08
  5. Step 5: Solve for x
    x = 77,547,038.08/9,278.84
  6. Step 6: Final answer
    x = 8,357.41

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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.