Home / 7,384.65-10,185.75-4,398.18

Finding the Fourth Proportional to 7,384.65, 10,185.75 and 4,398.18

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Solution

The fourth proportional to 7,384.65, 10,185.75 and 4,398.18 is: 6,066.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,384.65 : 10,185.75 = 4,398.18 : x
  2. Step 2: Convert to fraction form
    7,384.65/10,185.75 = 4,398.18/x
  3. Step 3: Cross multiply
    7,384.65x = 10,185.75 × 4,398.18
  4. Step 4: Simplify right side
    7,384.65x = 44,798,761.94
  5. Step 5: Solve for x
    x = 44,798,761.94/7,384.65
  6. Step 6: Final answer
    x = 6,066.47

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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.