Home / 6,467.10-9,700.46-1,787.40

Finding the Fourth Proportional to 6,467.10, 9,700.46 and 1,787.40

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Solution

The fourth proportional to 6,467.10, 9,700.46 and 1,787.40 is: 2,681.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,467.10 : 9,700.46 = 1,787.40 : x
  2. Step 2: Convert to fraction form
    6,467.10/9,700.46 = 1,787.40/x
  3. Step 3: Cross multiply
    6,467.10x = 9,700.46 × 1,787.40
  4. Step 4: Simplify right side
    6,467.10x = 17,338,602.20
  5. Step 5: Solve for x
    x = 17,338,602.20/6,467.10
  6. Step 6: Final answer
    x = 2,681.05

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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.