Home / 5,315.04-7,976.16-1,852.29

Finding the Fourth Proportional to 5,315.04, 7,976.16 and 1,852.29

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Solution

The fourth proportional to 5,315.04, 7,976.16 and 1,852.29 is: 2,779.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,315.04 : 7,976.16 = 1,852.29 : x
  2. Step 2: Convert to fraction form
    5,315.04/7,976.16 = 1,852.29/x
  3. Step 3: Cross multiply
    5,315.04x = 7,976.16 × 1,852.29
  4. Step 4: Simplify right side
    5,315.04x = 14,774,161.41
  5. Step 5: Solve for x
    x = 14,774,161.41/5,315.04
  6. Step 6: Final answer
    x = 2,779.69

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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.