Home / 9,639.60-14,459.40-2,714.28

Finding the Fourth Proportional to 9,639.60, 14,459.40 and 2,714.28

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Solution

The fourth proportional to 9,639.60, 14,459.40 and 2,714.28 is: 4,071.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,639.60 : 14,459.40 = 2,714.28 : x
  2. Step 2: Convert to fraction form
    9,639.60/14,459.40 = 2,714.28/x
  3. Step 3: Cross multiply
    9,639.60x = 14,459.40 × 2,714.28
  4. Step 4: Simplify right side
    9,639.60x = 39,246,860.23
  5. Step 5: Solve for x
    x = 39,246,860.23/9,639.60
  6. Step 6: Final answer
    x = 4,071.42

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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.