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Finding the Fourth Proportional to 4,681.08, 7,021.59 and 1,907.10

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Solution

The fourth proportional to 4,681.08, 7,021.59 and 1,907.10 is: 2,860.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,681.08 : 7,021.59 = 1,907.10 : x
  2. Step 2: Convert to fraction form
    4,681.08/7,021.59 = 1,907.10/x
  3. Step 3: Cross multiply
    4,681.08x = 7,021.59 × 1,907.10
  4. Step 4: Simplify right side
    4,681.08x = 13,390,874.29
  5. Step 5: Solve for x
    x = 13,390,874.29/4,681.08
  6. Step 6: Final answer
    x = 2,860.64

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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.