Home / 7,386.09-10,192.73-4,242.30

Finding the Fourth Proportional to 7,386.09, 10,192.73 and 4,242.30

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Solution

The fourth proportional to 7,386.09, 10,192.73 and 4,242.30 is: 5,854.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,386.09 : 10,192.73 = 4,242.30 : x
  2. Step 2: Convert to fraction form
    7,386.09/10,192.73 = 4,242.30/x
  3. Step 3: Cross multiply
    7,386.09x = 10,192.73 × 4,242.30
  4. Step 4: Simplify right side
    7,386.09x = 43,240,618.48
  5. Step 5: Solve for x
    x = 43,240,618.48/7,386.09
  6. Step 6: Final answer
    x = 5,854.33

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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.