Home / 4,426.69-6,640.75-1,307.01

Finding the Fourth Proportional to 4,426.69, 6,640.75 and 1,307.01

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Solution

The fourth proportional to 4,426.69, 6,640.75 and 1,307.01 is: 1,960.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,426.69 : 6,640.75 = 1,307.01 : x
  2. Step 2: Convert to fraction form
    4,426.69/6,640.75 = 1,307.01/x
  3. Step 3: Cross multiply
    4,426.69x = 6,640.75 × 1,307.01
  4. Step 4: Simplify right side
    4,426.69x = 8,679,502.18
  5. Step 5: Solve for x
    x = 8,679,502.18/4,426.69
  6. Step 6: Final answer
    x = 1,960.72

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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.