Home / 5,316.24-7,346.53-3,987.64

Finding the Fourth Proportional to 5,316.24, 7,346.53 and 3,987.64

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Solution

The fourth proportional to 5,316.24, 7,346.53 and 3,987.64 is: 5,510.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,316.24 : 7,346.53 = 3,987.64 : x
  2. Step 2: Convert to fraction form
    5,316.24/7,346.53 = 3,987.64/x
  3. Step 3: Cross multiply
    5,316.24x = 7,346.53 × 3,987.64
  4. Step 4: Simplify right side
    5,316.24x = 29,295,331.06
  5. Step 5: Solve for x
    x = 29,295,331.06/5,316.24
  6. Step 6: Final answer
    x = 5,510.53

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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.