Home / 7,404.21-10,217.93-4,047.16

Finding the Fourth Proportional to 7,404.21, 10,217.93 and 4,047.16

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Solution

The fourth proportional to 7,404.21, 10,217.93 and 4,047.16 is: 5,585.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,404.21 : 10,217.93 = 4,047.16 : x
  2. Step 2: Convert to fraction form
    7,404.21/10,217.93 = 4,047.16/x
  3. Step 3: Cross multiply
    7,404.21x = 10,217.93 × 4,047.16
  4. Step 4: Simplify right side
    7,404.21x = 41,353,597.58
  5. Step 5: Solve for x
    x = 41,353,597.58/7,404.21
  6. Step 6: Final answer
    x = 5,585.15

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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.