Home / 7,611.51-10,507.12-4,628.30

Finding the Fourth Proportional to 7,611.51, 10,507.12 and 4,628.30

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Solution

The fourth proportional to 7,611.51, 10,507.12 and 4,628.30 is: 6,389.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,611.51 : 10,507.12 = 4,628.30 : x
  2. Step 2: Convert to fraction form
    7,611.51/10,507.12 = 4,628.30/x
  3. Step 3: Cross multiply
    7,611.51x = 10,507.12 × 4,628.30
  4. Step 4: Simplify right side
    7,611.51x = 48,630,078.79
  5. Step 5: Solve for x
    x = 48,630,078.79/7,611.51
  6. Step 6: Final answer
    x = 6,389.02

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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.