Home / 4,688.23-6,469.95-2,698.80

Finding the Fourth Proportional to 4,688.23, 6,469.95 and 2,698.80

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Solution

The fourth proportional to 4,688.23, 6,469.95 and 2,698.80 is: 3,724.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,688.23 : 6,469.95 = 2,698.80 : x
  2. Step 2: Convert to fraction form
    4,688.23/6,469.95 = 2,698.80/x
  3. Step 3: Cross multiply
    4,688.23x = 6,469.95 × 2,698.80
  4. Step 4: Simplify right side
    4,688.23x = 17,461,101.06
  5. Step 5: Solve for x
    x = 17,461,101.06/4,688.23
  6. Step 6: Final answer
    x = 3,724.45

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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.