Home / 5,779.48-8,669.28-1,396.96

Finding the Fourth Proportional to 5,779.48, 8,669.28 and 1,396.96

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Solution

The fourth proportional to 5,779.48, 8,669.28 and 1,396.96 is: 2,095.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,779.48 : 8,669.28 = 1,396.96 : x
  2. Step 2: Convert to fraction form
    5,779.48/8,669.28 = 1,396.96/x
  3. Step 3: Cross multiply
    5,779.48x = 8,669.28 × 1,396.96
  4. Step 4: Simplify right side
    5,779.48x = 12,110,637.39
  5. Step 5: Solve for x
    x = 12,110,637.39/5,779.48
  6. Step 6: Final answer
    x = 2,095.45

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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.