Home / 5,587.65-8,381.72-1,692.07

Finding the Fourth Proportional to 5,587.65, 8,381.72 and 1,692.07

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Solution

The fourth proportional to 5,587.65, 8,381.72 and 1,692.07 is: 2,538.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,587.65 : 8,381.72 = 1,692.07 : x
  2. Step 2: Convert to fraction form
    5,587.65/8,381.72 = 1,692.07/x
  3. Step 3: Cross multiply
    5,587.65x = 8,381.72 × 1,692.07
  4. Step 4: Simplify right side
    5,587.65x = 14,182,440.24
  5. Step 5: Solve for x
    x = 14,182,440.24/5,587.65
  6. Step 6: Final answer
    x = 2,538.18

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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.