Home / 7,648.04-10,555.09-4,291.76

Finding the Fourth Proportional to 7,648.04, 10,555.09 and 4,291.76

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Solution

The fourth proportional to 7,648.04, 10,555.09 and 4,291.76 is: 5,923.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,648.04 : 10,555.09 = 4,291.76 : x
  2. Step 2: Convert to fraction form
    7,648.04/10,555.09 = 4,291.76/x
  3. Step 3: Cross multiply
    7,648.04x = 10,555.09 × 4,291.76
  4. Step 4: Simplify right side
    7,648.04x = 45,299,860.28
  5. Step 5: Solve for x
    x = 45,299,860.28/7,648.04
  6. Step 6: Final answer
    x = 5,923.07

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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.