Home / 4,972.60-7,459.08-1,686.01

Finding the Fourth Proportional to 4,972.60, 7,459.08 and 1,686.01

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Solution

The fourth proportional to 4,972.60, 7,459.08 and 1,686.01 is: 2,529.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,972.60 : 7,459.08 = 1,686.01 : x
  2. Step 2: Convert to fraction form
    4,972.60/7,459.08 = 1,686.01/x
  3. Step 3: Cross multiply
    4,972.60x = 7,459.08 × 1,686.01
  4. Step 4: Simplify right side
    4,972.60x = 12,576,083.47
  5. Step 5: Solve for x
    x = 12,576,083.47/4,972.60
  6. Step 6: Final answer
    x = 2,529.08

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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.