Home / 7,312.60-10,090.74-4,328.43

Finding the Fourth Proportional to 7,312.60, 10,090.74 and 4,328.43

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Solution

The fourth proportional to 7,312.60, 10,090.74 and 4,328.43 is: 5,972.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,312.60 : 10,090.74 = 4,328.43 : x
  2. Step 2: Convert to fraction form
    7,312.60/10,090.74 = 4,328.43/x
  3. Step 3: Cross multiply
    7,312.60x = 10,090.74 × 4,328.43
  4. Step 4: Simplify right side
    7,312.60x = 43,677,061.74
  5. Step 5: Solve for x
    x = 43,677,061.74/7,312.60
  6. Step 6: Final answer
    x = 5,972.85

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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.