Home / 4,688.72-6,461.53-3,360.12

Finding the Fourth Proportional to 4,688.72, 6,461.53 and 3,360.12

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Solution

The fourth proportional to 4,688.72, 6,461.53 and 3,360.12 is: 4,630.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,688.72 : 6,461.53 = 3,360.12 : x
  2. Step 2: Convert to fraction form
    4,688.72/6,461.53 = 3,360.12/x
  3. Step 3: Cross multiply
    4,688.72x = 6,461.53 × 3,360.12
  4. Step 4: Simplify right side
    4,688.72x = 21,711,516.18
  5. Step 5: Solve for x
    x = 21,711,516.18/4,688.72
  6. Step 6: Final answer
    x = 4,630.58

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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.