Home / 7,312.04-10,090.74-4,168.28

Finding the Fourth Proportional to 7,312.04, 10,090.74 and 4,168.28

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Solution

The fourth proportional to 7,312.04, 10,090.74 and 4,168.28 is: 5,752.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,312.04 : 10,090.74 = 4,168.28 : x
  2. Step 2: Convert to fraction form
    7,312.04/10,090.74 = 4,168.28/x
  3. Step 3: Cross multiply
    7,312.04x = 10,090.74 × 4,168.28
  4. Step 4: Simplify right side
    7,312.04x = 42,061,029.73
  5. Step 5: Solve for x
    x = 42,061,029.73/7,312.04
  6. Step 6: Final answer
    x = 5,752.30

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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.