Home / 6,280.16-8,666.88-3,485.60

Finding the Fourth Proportional to 6,280.16, 8,666.88 and 3,485.60

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Solution

The fourth proportional to 6,280.16, 8,666.88 and 3,485.60 is: 4,810.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,280.16 : 8,666.88 = 3,485.60 : x
  2. Step 2: Convert to fraction form
    6,280.16/8,666.88 = 3,485.60/x
  3. Step 3: Cross multiply
    6,280.16x = 8,666.88 × 3,485.60
  4. Step 4: Simplify right side
    6,280.16x = 30,209,276.93
  5. Step 5: Solve for x
    x = 30,209,276.93/6,280.16
  6. Step 6: Final answer
    x = 4,810.27

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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.