Home / 7,040.32-9,717.84-4,386.16

Finding the Fourth Proportional to 7,040.32, 9,717.84 and 4,386.16

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Solution

The fourth proportional to 7,040.32, 9,717.84 and 4,386.16 is: 6,054.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,040.32 : 9,717.84 = 4,386.16 : x
  2. Step 2: Convert to fraction form
    7,040.32/9,717.84 = 4,386.16/x
  3. Step 3: Cross multiply
    7,040.32x = 9,717.84 × 4,386.16
  4. Step 4: Simplify right side
    7,040.32x = 42,624,001.09
  5. Step 5: Solve for x
    x = 42,624,001.09/7,040.32
  6. Step 6: Final answer
    x = 6,054.27

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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.