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Finding the Fourth Proportional to 6,254.40, 9,380.10 and 1,870.68

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Solution

The fourth proportional to 6,254.40, 9,380.10 and 1,870.68 is: 2,805.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,254.40 : 9,380.10 = 1,870.68 : x
  2. Step 2: Convert to fraction form
    6,254.40/9,380.10 = 1,870.68/x
  3. Step 3: Cross multiply
    6,254.40x = 9,380.10 × 1,870.68
  4. Step 4: Simplify right side
    6,254.40x = 17,547,165.47
  5. Step 5: Solve for x
    x = 17,547,165.47/6,254.40
  6. Step 6: Final answer
    x = 2,805.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.