Home / 4,639.48-6,403.67-2,870.08

Finding the Fourth Proportional to 4,639.48, 6,403.67 and 2,870.08

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Solution

The fourth proportional to 4,639.48, 6,403.67 and 2,870.08 is: 3,961.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,639.48 : 6,403.67 = 2,870.08 : x
  2. Step 2: Convert to fraction form
    4,639.48/6,403.67 = 2,870.08/x
  3. Step 3: Cross multiply
    4,639.48x = 6,403.67 × 2,870.08
  4. Step 4: Simplify right side
    4,639.48x = 18,379,045.19
  5. Step 5: Solve for x
    x = 18,379,045.19/4,639.48
  6. Step 6: Final answer
    x = 3,961.45

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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.