Home / 5,146.40-7,717.98-1,859.06

Finding the Fourth Proportional to 5,146.40, 7,717.98 and 1,859.06

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Solution

The fourth proportional to 5,146.40, 7,717.98 and 1,859.06 is: 2,788.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,146.40 : 7,717.98 = 1,859.06 : x
  2. Step 2: Convert to fraction form
    5,146.40/7,717.98 = 1,859.06/x
  3. Step 3: Cross multiply
    5,146.40x = 7,717.98 × 1,859.06
  4. Step 4: Simplify right side
    5,146.40x = 14,348,187.90
  5. Step 5: Solve for x
    x = 14,348,187.90/5,146.40
  6. Step 6: Final answer
    x = 2,788.00

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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.