Home / 7,405.01-10,218.67-4,047.85

Finding the Fourth Proportional to 7,405.01, 10,218.67 and 4,047.85

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Solution

The fourth proportional to 7,405.01, 10,218.67 and 4,047.85 is: 5,585.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,405.01 : 10,218.67 = 4,047.85 : x
  2. Step 2: Convert to fraction form
    7,405.01/10,218.67 = 4,047.85/x
  3. Step 3: Cross multiply
    7,405.01x = 10,218.67 × 4,047.85
  4. Step 4: Simplify right side
    7,405.01x = 41,363,643.36
  5. Step 5: Solve for x
    x = 41,363,643.36/7,405.01
  6. Step 6: Final answer
    x = 5,585.90

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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.