Home / 4,440.13-6,658.95-1,320.01

Finding the Fourth Proportional to 4,440.13, 6,658.95 and 1,320.01

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Solution

The fourth proportional to 4,440.13, 6,658.95 and 1,320.01 is: 1,979.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,440.13 : 6,658.95 = 1,320.01 : x
  2. Step 2: Convert to fraction form
    4,440.13/6,658.95 = 1,320.01/x
  3. Step 3: Cross multiply
    4,440.13x = 6,658.95 × 1,320.01
  4. Step 4: Simplify right side
    4,440.13x = 8,789,880.59
  5. Step 5: Solve for x
    x = 8,789,880.59/4,440.13
  6. Step 6: Final answer
    x = 1,979.64

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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.