Home / 4,429.95-6,640.93-1,507.60

Finding the Fourth Proportional to 4,429.95, 6,640.93 and 1,507.60

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Solution

The fourth proportional to 4,429.95, 6,640.93 and 1,507.60 is: 2,260.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,429.95 : 6,640.93 = 1,507.60 : x
  2. Step 2: Convert to fraction form
    4,429.95/6,640.93 = 1,507.60/x
  3. Step 3: Cross multiply
    4,429.95x = 6,640.93 × 1,507.60
  4. Step 4: Simplify right side
    4,429.95x = 10,011,866.07
  5. Step 5: Solve for x
    x = 10,011,866.07/4,429.95
  6. Step 6: Final answer
    x = 2,260.04

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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.