Home / 7,439.58-11,158.16-2,509.11

Finding the Fourth Proportional to 7,439.58, 11,158.16 and 2,509.11

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Solution

The fourth proportional to 7,439.58, 11,158.16 and 2,509.11 is: 3,763.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,439.58 : 11,158.16 = 2,509.11 : x
  2. Step 2: Convert to fraction form
    7,439.58/11,158.16 = 2,509.11/x
  3. Step 3: Cross multiply
    7,439.58x = 11,158.16 × 2,509.11
  4. Step 4: Simplify right side
    7,439.58x = 27,997,038.29
  5. Step 5: Solve for x
    x = 27,997,038.29/7,439.58
  6. Step 6: Final answer
    x = 3,763.26

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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.