Home / 7,294.78-10,055.64-5,720.14

Finding the Fourth Proportional to 7,294.78, 10,055.64 and 5,720.14

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Solution

The fourth proportional to 7,294.78, 10,055.64 and 5,720.14 is: 7,885.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,294.78 : 10,055.64 = 5,720.14 : x
  2. Step 2: Convert to fraction form
    7,294.78/10,055.64 = 5,720.14/x
  3. Step 3: Cross multiply
    7,294.78x = 10,055.64 × 5,720.14
  4. Step 4: Simplify right side
    7,294.78x = 57,519,668.59
  5. Step 5: Solve for x
    x = 57,519,668.59/7,294.78
  6. Step 6: Final answer
    x = 7,885.05

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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.