Home / 7,350.18-10,145.02-4,208.18

Finding the Fourth Proportional to 7,350.18, 10,145.02 and 4,208.18

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Solution

The fourth proportional to 7,350.18, 10,145.02 and 4,208.18 is: 5,808.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,350.18 : 10,145.02 = 4,208.18 : x
  2. Step 2: Convert to fraction form
    7,350.18/10,145.02 = 4,208.18/x
  3. Step 3: Cross multiply
    7,350.18x = 10,145.02 × 4,208.18
  4. Step 4: Simplify right side
    7,350.18x = 42,692,070.26
  5. Step 5: Solve for x
    x = 42,692,070.26/7,350.18
  6. Step 6: Final answer
    x = 5,808.30

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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.