Home / 9,828.84-13,565.04-5,637

Finding the Fourth Proportional to 9,828.84, 13,565.04 and 5,637

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Solution

The fourth proportional to 9,828.84, 13,565.04 and 5,637 is: 7,779.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,828.84 : 13,565.04 = 5,637 : x
  2. Step 2: Convert to fraction form
    9,828.84/13,565.04 = 5,637/x
  3. Step 3: Cross multiply
    9,828.84x = 13,565.04 × 5,637
  4. Step 4: Simplify right side
    9,828.84x = 76,466,130.48
  5. Step 5: Solve for x
    x = 76,466,130.48/9,828.84
  6. Step 6: Final answer
    x = 7,779.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.