Home / 4,365.20-6,030.78-4,015.28

Finding the Fourth Proportional to 4,365.20, 6,030.78 and 4,015.28

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Solution

The fourth proportional to 4,365.20, 6,030.78 and 4,015.28 is: 5,547.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,365.20 : 6,030.78 = 4,015.28 : x
  2. Step 2: Convert to fraction form
    4,365.20/6,030.78 = 4,015.28/x
  3. Step 3: Cross multiply
    4,365.20x = 6,030.78 × 4,015.28
  4. Step 4: Simplify right side
    4,365.20x = 24,215,270.32
  5. Step 5: Solve for x
    x = 24,215,270.32/4,365.20
  6. Step 6: Final answer
    x = 5,547.34

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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.