Home / 5,637.30-7,779.42-3,541.02

Finding the Fourth Proportional to 5,637.30, 7,779.42 and 3,541.02

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Solution

The fourth proportional to 5,637.30, 7,779.42 and 3,541.02 is: 4,886.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,637.30 : 7,779.42 = 3,541.02 : x
  2. Step 2: Convert to fraction form
    5,637.30/7,779.42 = 3,541.02/x
  3. Step 3: Cross multiply
    5,637.30x = 7,779.42 × 3,541.02
  4. Step 4: Simplify right side
    5,637.30x = 27,547,081.81
  5. Step 5: Solve for x
    x = 27,547,081.81/5,637.30
  6. Step 6: Final answer
    x = 4,886.57

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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.