Home / 7,542.19-10,405.36-5,557.48

Finding the Fourth Proportional to 7,542.19, 10,405.36 and 5,557.48

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Solution

The fourth proportional to 7,542.19, 10,405.36 and 5,557.48 is: 7,667.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,542.19 : 10,405.36 = 5,557.48 : x
  2. Step 2: Convert to fraction form
    7,542.19/10,405.36 = 5,557.48/x
  3. Step 3: Cross multiply
    7,542.19x = 10,405.36 × 5,557.48
  4. Step 4: Simplify right side
    7,542.19x = 57,827,580.09
  5. Step 5: Solve for x
    x = 57,827,580.09/7,542.19
  6. Step 6: Final answer
    x = 7,667.21

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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.