Home / 7,390.12-11,073.59-4,271.59

Finding the Fourth Proportional to 7,390.12, 11,073.59 and 4,271.59

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Solution

The fourth proportional to 7,390.12, 11,073.59 and 4,271.59 is: 6,400.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,390.12 : 11,073.59 = 4,271.59 : x
  2. Step 2: Convert to fraction form
    7,390.12/11,073.59 = 4,271.59/x
  3. Step 3: Cross multiply
    7,390.12x = 11,073.59 × 4,271.59
  4. Step 4: Simplify right side
    7,390.12x = 47,301,868.84
  5. Step 5: Solve for x
    x = 47,301,868.84/7,390.12
  6. Step 6: Final answer
    x = 6,400.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.