Home / 7,030.64-10,521.60-4,255.64

Finding the Fourth Proportional to 7,030.64, 10,521.60 and 4,255.64

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Solution

The fourth proportional to 7,030.64, 10,521.60 and 4,255.64 is: 6,368.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,030.64 : 10,521.60 = 4,255.64 : x
  2. Step 2: Convert to fraction form
    7,030.64/10,521.60 = 4,255.64/x
  3. Step 3: Cross multiply
    7,030.64x = 10,521.60 × 4,255.64
  4. Step 4: Simplify right side
    7,030.64x = 44,776,141.82
  5. Step 5: Solve for x
    x = 44,776,141.82/7,030.64
  6. Step 6: Final answer
    x = 6,368.71

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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.