Home / 5,127.52-7,686.64-1,840.08

Finding the Fourth Proportional to 5,127.52, 7,686.64 and 1,840.08

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Solution

The fourth proportional to 5,127.52, 7,686.64 and 1,840.08 is: 2,758.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,127.52 : 7,686.64 = 1,840.08 : x
  2. Step 2: Convert to fraction form
    5,127.52/7,686.64 = 1,840.08/x
  3. Step 3: Cross multiply
    5,127.52x = 7,686.64 × 1,840.08
  4. Step 4: Simplify right side
    5,127.52x = 14,144,032.53
  5. Step 5: Solve for x
    x = 14,144,032.53/5,127.52
  6. Step 6: Final answer
    x = 2,758.45

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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.