Home / 5,288.48-7,933.80-1,778.08

Finding the Fourth Proportional to 5,288.48, 7,933.80 and 1,778.08

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Solution

The fourth proportional to 5,288.48, 7,933.80 and 1,778.08 is: 2,667.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,288.48 : 7,933.80 = 1,778.08 : x
  2. Step 2: Convert to fraction form
    5,288.48/7,933.80 = 1,778.08/x
  3. Step 3: Cross multiply
    5,288.48x = 7,933.80 × 1,778.08
  4. Step 4: Simplify right side
    5,288.48x = 14,106,931.10
  5. Step 5: Solve for x
    x = 14,106,931.10/5,288.48
  6. Step 6: Final answer
    x = 2,667.48

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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.