Home / 4,671.40-7,008.56-1,384.51

Finding the Fourth Proportional to 4,671.40, 7,008.56 and 1,384.51

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Solution

The fourth proportional to 4,671.40, 7,008.56 and 1,384.51 is: 2,077.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,671.40 : 7,008.56 = 1,384.51 : x
  2. Step 2: Convert to fraction form
    4,671.40/7,008.56 = 1,384.51/x
  3. Step 3: Cross multiply
    4,671.40x = 7,008.56 × 1,384.51
  4. Step 4: Simplify right side
    4,671.40x = 9,703,421.41
  5. Step 5: Solve for x
    x = 9,703,421.41/4,671.40
  6. Step 6: Final answer
    x = 2,077.20

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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.