Home / 7,019.12-9,688.44-4,365.20

Finding the Fourth Proportional to 7,019.12, 9,688.44 and 4,365.20

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Solution

The fourth proportional to 7,019.12, 9,688.44 and 4,365.20 is: 6,025.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,019.12 : 9,688.44 = 4,365.20 : x
  2. Step 2: Convert to fraction form
    7,019.12/9,688.44 = 4,365.20/x
  3. Step 3: Cross multiply
    7,019.12x = 9,688.44 × 4,365.20
  4. Step 4: Simplify right side
    7,019.12x = 42,291,978.29
  5. Step 5: Solve for x
    x = 42,291,978.29/7,019.12
  6. Step 6: Final answer
    x = 6,025.25

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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.