Home / 6,875.36-9,485.52-4,080.80

Finding the Fourth Proportional to 6,875.36, 9,485.52 and 4,080.80

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Solution

The fourth proportional to 6,875.36, 9,485.52 and 4,080.80 is: 5,630.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,875.36 : 9,485.52 = 4,080.80 : x
  2. Step 2: Convert to fraction form
    6,875.36/9,485.52 = 4,080.80/x
  3. Step 3: Cross multiply
    6,875.36x = 9,485.52 × 4,080.80
  4. Step 4: Simplify right side
    6,875.36x = 38,708,510.02
  5. Step 5: Solve for x
    x = 38,708,510.02/6,875.36
  6. Step 6: Final answer
    x = 5,630.03

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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.