Home / 4,285.06-6,426.63-1,207.30

Finding the Fourth Proportional to 4,285.06, 6,426.63 and 1,207.30

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Solution

The fourth proportional to 4,285.06, 6,426.63 and 1,207.30 is: 1,810.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,285.06 : 6,426.63 = 1,207.30 : x
  2. Step 2: Convert to fraction form
    4,285.06/6,426.63 = 1,207.30/x
  3. Step 3: Cross multiply
    4,285.06x = 6,426.63 × 1,207.30
  4. Step 4: Simplify right side
    4,285.06x = 7,758,870.40
  5. Step 5: Solve for x
    x = 7,758,870.40/4,285.06
  6. Step 6: Final answer
    x = 1,810.68

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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.