Home / 7,148.08-9,864.34-4,004.27

Finding the Fourth Proportional to 7,148.08, 9,864.34 and 4,004.27

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Solution

The fourth proportional to 7,148.08, 9,864.34 and 4,004.27 is: 5,525.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,148.08 : 9,864.34 = 4,004.27 : x
  2. Step 2: Convert to fraction form
    7,148.08/9,864.34 = 4,004.27/x
  3. Step 3: Cross multiply
    7,148.08x = 9,864.34 × 4,004.27
  4. Step 4: Simplify right side
    7,148.08x = 39,499,421.40
  5. Step 5: Solve for x
    x = 39,499,421.40/7,148.08
  6. Step 6: Final answer
    x = 5,525.88

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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.