Home / 5,397.30-7,448.10-3,039.36

Finding the Fourth Proportional to 5,397.30, 7,448.10 and 3,039.36

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Solution

The fourth proportional to 5,397.30, 7,448.10 and 3,039.36 is: 4,194.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,397.30 : 7,448.10 = 3,039.36 : x
  2. Step 2: Convert to fraction form
    5,397.30/7,448.10 = 3,039.36/x
  3. Step 3: Cross multiply
    5,397.30x = 7,448.10 × 3,039.36
  4. Step 4: Simplify right side
    5,397.30x = 22,637,457.22
  5. Step 5: Solve for x
    x = 22,637,457.22/5,397.30
  6. Step 6: Final answer
    x = 4,194.22

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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.