Home / 7,675.56-10,580.96-5,430.48

Finding the Fourth Proportional to 7,675.56, 10,580.96 and 5,430.48

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Solution

The fourth proportional to 7,675.56, 10,580.96 and 5,430.48 is: 7,486.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,675.56 : 10,580.96 = 5,430.48 : x
  2. Step 2: Convert to fraction form
    7,675.56/10,580.96 = 5,430.48/x
  3. Step 3: Cross multiply
    7,675.56x = 10,580.96 × 5,430.48
  4. Step 4: Simplify right side
    7,675.56x = 57,459,691.66
  5. Step 5: Solve for x
    x = 57,459,691.66/7,675.56
  6. Step 6: Final answer
    x = 7,486.06

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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.