Home / 7,551.32-10,430.62-5,747.84

Finding the Fourth Proportional to 7,551.32, 10,430.62 and 5,747.84

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Solution

The fourth proportional to 7,551.32, 10,430.62 and 5,747.84 is: 7,939.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,551.32 : 10,430.62 = 5,747.84 : x
  2. Step 2: Convert to fraction form
    7,551.32/10,430.62 = 5,747.84/x
  3. Step 3: Cross multiply
    7,551.32x = 10,430.62 × 5,747.84
  4. Step 4: Simplify right side
    7,551.32x = 59,953,507.45
  5. Step 5: Solve for x
    x = 59,953,507.45/7,551.32
  6. Step 6: Final answer
    x = 7,939.48

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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.