Home / 4,649.07-6,973.60-2,918.91

Finding the Fourth Proportional to 4,649.07, 6,973.60 and 2,918.91

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Solution

The fourth proportional to 4,649.07, 6,973.60 and 2,918.91 is: 4,378.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,649.07 : 6,973.60 = 2,918.91 : x
  2. Step 2: Convert to fraction form
    4,649.07/6,973.60 = 2,918.91/x
  3. Step 3: Cross multiply
    4,649.07x = 6,973.60 × 2,918.91
  4. Step 4: Simplify right side
    4,649.07x = 20,355,275.91
  5. Step 5: Solve for x
    x = 20,355,275.91/4,649.07
  6. Step 6: Final answer
    x = 4,378.36

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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.