Home / 7,038.28-10,546.93-6,415.91

Finding the Fourth Proportional to 7,038.28, 10,546.93 and 6,415.91

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Solution

The fourth proportional to 7,038.28, 10,546.93 and 6,415.91 is: 9,614.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,038.28 : 10,546.93 = 6,415.91 : x
  2. Step 2: Convert to fraction form
    7,038.28/10,546.93 = 6,415.91/x
  3. Step 3: Cross multiply
    7,038.28x = 10,546.93 × 6,415.91
  4. Step 4: Simplify right side
    7,038.28x = 67,668,153.66
  5. Step 5: Solve for x
    x = 67,668,153.66/7,038.28
  6. Step 6: Final answer
    x = 9,614.30

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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.