Home / 7,402.37-10,215.30-4,045.13

Finding the Fourth Proportional to 7,402.37, 10,215.30 and 4,045.13

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Solution

The fourth proportional to 7,402.37, 10,215.30 and 4,045.13 is: 5,582.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,402.37 : 10,215.30 = 4,045.13 : x
  2. Step 2: Convert to fraction form
    7,402.37/10,215.30 = 4,045.13/x
  3. Step 3: Cross multiply
    7,402.37x = 10,215.30 × 4,045.13
  4. Step 4: Simplify right side
    7,402.37x = 41,322,216.49
  5. Step 5: Solve for x
    x = 41,322,216.49/7,402.37
  6. Step 6: Final answer
    x = 5,582.30

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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.