Home / 4,458.64-6,686.94-1,685.60

Finding the Fourth Proportional to 4,458.64, 6,686.94 and 1,685.60

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Solution

The fourth proportional to 4,458.64, 6,686.94 and 1,685.60 is: 2,528.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,458.64 : 6,686.94 = 1,685.60 : x
  2. Step 2: Convert to fraction form
    4,458.64/6,686.94 = 1,685.60/x
  3. Step 3: Cross multiply
    4,458.64x = 6,686.94 × 1,685.60
  4. Step 4: Simplify right side
    4,458.64x = 11,271,506.06
  5. Step 5: Solve for x
    x = 11,271,506.06/4,458.64
  6. Step 6: Final answer
    x = 2,528.01

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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.