Home / 7,010.40-10,509.48-2,626.68

Finding the Fourth Proportional to 7,010.40, 10,509.48 and 2,626.68

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Solution

The fourth proportional to 7,010.40, 10,509.48 and 2,626.68 is: 3,937.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,010.40 : 10,509.48 = 2,626.68 : x
  2. Step 2: Convert to fraction form
    7,010.40/10,509.48 = 2,626.68/x
  3. Step 3: Cross multiply
    7,010.40x = 10,509.48 × 2,626.68
  4. Step 4: Simplify right side
    7,010.40x = 27,605,040.93
  5. Step 5: Solve for x
    x = 27,605,040.93/7,010.40
  6. Step 6: Final answer
    x = 3,937.73

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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.