Home / 5,688.76-7,845.85-4,776.75

Finding the Fourth Proportional to 5,688.76, 7,845.85 and 4,776.75

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Solution

The fourth proportional to 5,688.76, 7,845.85 and 4,776.75 is: 6,588.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,688.76 : 7,845.85 = 4,776.75 : x
  2. Step 2: Convert to fraction form
    5,688.76/7,845.85 = 4,776.75/x
  3. Step 3: Cross multiply
    5,688.76x = 7,845.85 × 4,776.75
  4. Step 4: Simplify right side
    5,688.76x = 37,477,640.10
  5. Step 5: Solve for x
    x = 37,477,640.10/5,688.76
  6. Step 6: Final answer
    x = 6,588.02

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1.5x scale

Why These Related Problems?

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