Home / 7,148.00-9,865.19-4,316.99

Finding the Fourth Proportional to 7,148.00, 9,865.19 and 4,316.99

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Solution

The fourth proportional to 7,148.00, 9,865.19 and 4,316.99 is: 5,958.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,148.00 : 9,865.19 = 4,316.99 : x
  2. Step 2: Convert to fraction form
    7,148.00/9,865.19 = 4,316.99/x
  3. Step 3: Cross multiply
    7,148.00x = 9,865.19 × 4,316.99
  4. Step 4: Simplify right side
    7,148.00x = 42,587,888.04
  5. Step 5: Solve for x
    x = 42,587,888.04/7,148.00
  6. Step 6: Final answer
    x = 5,958.01

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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.