Home / 7,154.08-9,871.60-4,359.04

Finding the Fourth Proportional to 7,154.08, 9,871.60 and 4,359.04

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Solution

The fourth proportional to 7,154.08, 9,871.60 and 4,359.04 is: 6,014.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,154.08 : 9,871.60 = 4,359.04 : x
  2. Step 2: Convert to fraction form
    7,154.08/9,871.60 = 4,359.04/x
  3. Step 3: Cross multiply
    7,154.08x = 9,871.60 × 4,359.04
  4. Step 4: Simplify right side
    7,154.08x = 43,030,699.26
  5. Step 5: Solve for x
    x = 43,030,699.26/7,154.08
  6. Step 6: Final answer
    x = 6,014.85

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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.