Home / 5,014.32-6,920.36-2,918.45

Finding the Fourth Proportional to 5,014.32, 6,920.36 and 2,918.45

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Solution

The fourth proportional to 5,014.32, 6,920.36 and 2,918.45 is: 4,027.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,014.32 : 6,920.36 = 2,918.45 : x
  2. Step 2: Convert to fraction form
    5,014.32/6,920.36 = 2,918.45/x
  3. Step 3: Cross multiply
    5,014.32x = 6,920.36 × 2,918.45
  4. Step 4: Simplify right side
    5,014.32x = 20,196,697.34
  5. Step 5: Solve for x
    x = 20,196,697.34/5,014.32
  6. Step 6: Final answer
    x = 4,027.80

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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.