Home / 4,688.61-7,035.36-3,400.71

Finding the Fourth Proportional to 4,688.61, 7,035.36 and 3,400.71

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Solution

The fourth proportional to 4,688.61, 7,035.36 and 3,400.71 is: 5,102.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,688.61 : 7,035.36 = 3,400.71 : x
  2. Step 2: Convert to fraction form
    4,688.61/7,035.36 = 3,400.71/x
  3. Step 3: Cross multiply
    4,688.61x = 7,035.36 × 3,400.71
  4. Step 4: Simplify right side
    4,688.61x = 23,925,219.11
  5. Step 5: Solve for x
    x = 23,925,219.11/4,688.61
  6. Step 6: Final answer
    x = 5,102.84

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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.