Home / 4,340.50-6,510.78-1,053.60

Finding the Fourth Proportional to 4,340.50, 6,510.78 and 1,053.60

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Solution

The fourth proportional to 4,340.50, 6,510.78 and 1,053.60 is: 1,580.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,340.50 : 6,510.78 = 1,053.60 : x
  2. Step 2: Convert to fraction form
    4,340.50/6,510.78 = 1,053.60/x
  3. Step 3: Cross multiply
    4,340.50x = 6,510.78 × 1,053.60
  4. Step 4: Simplify right side
    4,340.50x = 6,859,757.81
  5. Step 5: Solve for x
    x = 6,859,757.81/4,340.50
  6. Step 6: Final answer
    x = 1,580.41

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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.