Home / 7,037.80-10,555.91-1,772.81

Finding the Fourth Proportional to 7,037.80, 10,555.91 and 1,772.81

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Solution

The fourth proportional to 7,037.80, 10,555.91 and 1,772.81 is: 2,659.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,037.80 : 10,555.91 = 1,772.81 : x
  2. Step 2: Convert to fraction form
    7,037.80/10,555.91 = 1,772.81/x
  3. Step 3: Cross multiply
    7,037.80x = 10,555.91 × 1,772.81
  4. Step 4: Simplify right side
    7,037.80x = 18,713,607.40
  5. Step 5: Solve for x
    x = 18,713,607.40/7,037.80
  6. Step 6: Final answer
    x = 2,659.01

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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.