Home / 7,809.02-10,778.34-6,548.06

Finding the Fourth Proportional to 7,809.02, 10,778.34 and 6,548.06

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Solution

The fourth proportional to 7,809.02, 10,778.34 and 6,548.06 is: 9,037.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,809.02 : 10,778.34 = 6,548.06 : x
  2. Step 2: Convert to fraction form
    7,809.02/10,778.34 = 6,548.06/x
  3. Step 3: Cross multiply
    7,809.02x = 10,778.34 × 6,548.06
  4. Step 4: Simplify right side
    7,809.02x = 70,577,217.02
  5. Step 5: Solve for x
    x = 70,577,217.02/7,809.02
  6. Step 6: Final answer
    x = 9,037.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.