Home / 4,727.61-7,087.86-1,605.67

Finding the Fourth Proportional to 4,727.61, 7,087.86 and 1,605.67

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Solution

The fourth proportional to 4,727.61, 7,087.86 and 1,605.67 is: 2,407.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,727.61 : 7,087.86 = 1,605.67 : x
  2. Step 2: Convert to fraction form
    4,727.61/7,087.86 = 1,605.67/x
  3. Step 3: Cross multiply
    4,727.61x = 7,087.86 × 1,605.67
  4. Step 4: Simplify right side
    4,727.61x = 11,380,746.45
  5. Step 5: Solve for x
    x = 11,380,746.45/4,727.61
  6. Step 6: Final answer
    x = 2,407.29

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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.