Home / 5,218.98-7,828.50-1,756.23

Finding the Fourth Proportional to 5,218.98, 7,828.50 and 1,756.23

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Solution

The fourth proportional to 5,218.98, 7,828.50 and 1,756.23 is: 2,634.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,218.98 : 7,828.50 = 1,756.23 : x
  2. Step 2: Convert to fraction form
    5,218.98/7,828.50 = 1,756.23/x
  3. Step 3: Cross multiply
    5,218.98x = 7,828.50 × 1,756.23
  4. Step 4: Simplify right side
    5,218.98x = 13,748,607.41
  5. Step 5: Solve for x
    x = 13,748,607.41/5,218.98
  6. Step 6: Final answer
    x = 2,634.35

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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.