Home / 5,557.16-8,335.53-1,397.21

Finding the Fourth Proportional to 5,557.16, 8,335.53 and 1,397.21

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Solution

The fourth proportional to 5,557.16, 8,335.53 and 1,397.21 is: 2,095.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,557.16 : 8,335.53 = 1,397.21 : x
  2. Step 2: Convert to fraction form
    5,557.16/8,335.53 = 1,397.21/x
  3. Step 3: Cross multiply
    5,557.16x = 8,335.53 × 1,397.21
  4. Step 4: Simplify right side
    5,557.16x = 11,646,444.19
  5. Step 5: Solve for x
    x = 11,646,444.19/5,557.16
  6. Step 6: Final answer
    x = 2,095.75

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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.