Home / 9,126.93-13,692.08-2,888.51

Finding the Fourth Proportional to 9,126.93, 13,692.08 and 2,888.51

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Solution

The fourth proportional to 9,126.93, 13,692.08 and 2,888.51 is: 4,333.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,126.93 : 13,692.08 = 2,888.51 : x
  2. Step 2: Convert to fraction form
    9,126.93/13,692.08 = 2,888.51/x
  3. Step 3: Cross multiply
    9,126.93x = 13,692.08 × 2,888.51
  4. Step 4: Simplify right side
    9,126.93x = 39,549,710.00
  5. Step 5: Solve for x
    x = 39,549,710.00/9,126.93
  6. Step 6: Final answer
    x = 4,333.30

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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.