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Finding the Fourth Proportional to 5,253.96, 7,875.98 and 1,788.84

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Solution

The fourth proportional to 5,253.96, 7,875.98 and 1,788.84 is: 2,681.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,253.96 : 7,875.98 = 1,788.84 : x
  2. Step 2: Convert to fraction form
    5,253.96/7,875.98 = 1,788.84/x
  3. Step 3: Cross multiply
    5,253.96x = 7,875.98 × 1,788.84
  4. Step 4: Simplify right side
    5,253.96x = 14,088,868.06
  5. Step 5: Solve for x
    x = 14,088,868.06/5,253.96
  6. Step 6: Final answer
    x = 2,681.57

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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.