Home / 5,557.51-8,336.72-1,661.86

Finding the Fourth Proportional to 5,557.51, 8,336.72 and 1,661.86

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Solution

The fourth proportional to 5,557.51, 8,336.72 and 1,661.86 is: 2,492.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,557.51 : 8,336.72 = 1,661.86 : x
  2. Step 2: Convert to fraction form
    5,557.51/8,336.72 = 1,661.86/x
  3. Step 3: Cross multiply
    5,557.51x = 8,336.72 × 1,661.86
  4. Step 4: Simplify right side
    5,557.51x = 13,854,461.50
  5. Step 5: Solve for x
    x = 13,854,461.50/5,557.51
  6. Step 6: Final answer
    x = 2,492.93

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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.