Home / 7,390.64-10,194.18-5,370.68

Finding the Fourth Proportional to 7,390.64, 10,194.18 and 5,370.68

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Solution

The fourth proportional to 7,390.64, 10,194.18 and 5,370.68 is: 7,407.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,390.64 : 10,194.18 = 5,370.68 : x
  2. Step 2: Convert to fraction form
    7,390.64/10,194.18 = 5,370.68/x
  3. Step 3: Cross multiply
    7,390.64x = 10,194.18 × 5,370.68
  4. Step 4: Simplify right side
    7,390.64x = 54,749,678.64
  5. Step 5: Solve for x
    x = 54,749,678.64/7,390.64
  6. Step 6: Final answer
    x = 7,407.98

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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.