Home / 7,242.42-10,856.25-2,858.10

Finding the Fourth Proportional to 7,242.42, 10,856.25 and 2,858.10

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Solution

The fourth proportional to 7,242.42, 10,856.25 and 2,858.10 is: 4,284.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,242.42 : 10,856.25 = 2,858.10 : x
  2. Step 2: Convert to fraction form
    7,242.42/10,856.25 = 2,858.10/x
  3. Step 3: Cross multiply
    7,242.42x = 10,856.25 × 2,858.10
  4. Step 4: Simplify right side
    7,242.42x = 31,028,248.13
  5. Step 5: Solve for x
    x = 31,028,248.13/7,242.42
  6. Step 6: Final answer
    x = 4,284.24

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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.