Home / 7,447.23-10,276.53-4,090.05

Finding the Fourth Proportional to 7,447.23, 10,276.53 and 4,090.05

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Solution

The fourth proportional to 7,447.23, 10,276.53 and 4,090.05 is: 5,643.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,447.23 : 10,276.53 = 4,090.05 : x
  2. Step 2: Convert to fraction form
    7,447.23/10,276.53 = 4,090.05/x
  3. Step 3: Cross multiply
    7,447.23x = 10,276.53 × 4,090.05
  4. Step 4: Simplify right side
    7,447.23x = 42,031,521.53
  5. Step 5: Solve for x
    x = 42,031,521.53/7,447.23
  6. Step 6: Final answer
    x = 5,643.91

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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.