Home / 6,586.79-9,880.12-2,688.46

Finding the Fourth Proportional to 6,586.79, 9,880.12 and 2,688.46

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Solution

The fourth proportional to 6,586.79, 9,880.12 and 2,688.46 is: 4,032.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,586.79 : 9,880.12 = 2,688.46 : x
  2. Step 2: Convert to fraction form
    6,586.79/9,880.12 = 2,688.46/x
  3. Step 3: Cross multiply
    6,586.79x = 9,880.12 × 2,688.46
  4. Step 4: Simplify right side
    6,586.79x = 26,562,258.01
  5. Step 5: Solve for x
    x = 26,562,258.01/6,586.79
  6. Step 6: Final answer
    x = 4,032.66

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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.