Home / 6,438.07-8,883.03-4,666.60

Finding the Fourth Proportional to 6,438.07, 8,883.03 and 4,666.60

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Solution

The fourth proportional to 6,438.07, 8,883.03 and 4,666.60 is: 6,438.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,438.07 : 8,883.03 = 4,666.60 : x
  2. Step 2: Convert to fraction form
    6,438.07/8,883.03 = 4,666.60/x
  3. Step 3: Cross multiply
    6,438.07x = 8,883.03 × 4,666.60
  4. Step 4: Simplify right side
    6,438.07x = 41,453,547.80
  5. Step 5: Solve for x
    x = 41,453,547.80/6,438.07
  6. Step 6: Final answer
    x = 6,438.82

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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.