Home / 7,150.19-9,867.80-4,499.87

Finding the Fourth Proportional to 7,150.19, 9,867.80 and 4,499.87

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Solution

The fourth proportional to 7,150.19, 9,867.80 and 4,499.87 is: 6,210.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,150.19 : 9,867.80 = 4,499.87 : x
  2. Step 2: Convert to fraction form
    7,150.19/9,867.80 = 4,499.87/x
  3. Step 3: Cross multiply
    7,150.19x = 9,867.80 × 4,499.87
  4. Step 4: Simplify right side
    7,150.19x = 44,403,779.10
  5. Step 5: Solve for x
    x = 44,403,779.10/7,150.19
  6. Step 6: Final answer
    x = 6,210.16

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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.