Home / 4,683.89-7,018.88-1,907.16

Finding the Fourth Proportional to 4,683.89, 7,018.88 and 1,907.16

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Solution

The fourth proportional to 4,683.89, 7,018.88 and 1,907.16 is: 2,857.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,683.89 : 7,018.88 = 1,907.16 : x
  2. Step 2: Convert to fraction form
    4,683.89/7,018.88 = 1,907.16/x
  3. Step 3: Cross multiply
    4,683.89x = 7,018.88 × 1,907.16
  4. Step 4: Simplify right side
    4,683.89x = 13,386,117.65
  5. Step 5: Solve for x
    x = 13,386,117.65/4,683.89
  6. Step 6: Final answer
    x = 2,857.91

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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.