Home / 5,703.15-7,870.35-3,345.30

Finding the Fourth Proportional to 5,703.15, 7,870.35 and 3,345.30

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Solution

The fourth proportional to 5,703.15, 7,870.35 and 3,345.30 is: 4,616.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,703.15 : 7,870.35 = 3,345.30 : x
  2. Step 2: Convert to fraction form
    5,703.15/7,870.35 = 3,345.30/x
  3. Step 3: Cross multiply
    5,703.15x = 7,870.35 × 3,345.30
  4. Step 4: Simplify right side
    5,703.15x = 26,328,681.86
  5. Step 5: Solve for x
    x = 26,328,681.86/5,703.15
  6. Step 6: Final answer
    x = 4,616.52

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