Home / 7,070.90-10,602.28-2,913.77

Finding the Fourth Proportional to 7,070.90, 10,602.28 and 2,913.77

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Solution

The fourth proportional to 7,070.90, 10,602.28 and 2,913.77 is: 4,368.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,070.90 : 10,602.28 = 2,913.77 : x
  2. Step 2: Convert to fraction form
    7,070.90/10,602.28 = 2,913.77/x
  3. Step 3: Cross multiply
    7,070.90x = 10,602.28 × 2,913.77
  4. Step 4: Simplify right side
    7,070.90x = 30,892,624.62
  5. Step 5: Solve for x
    x = 30,892,624.62/7,070.90
  6. Step 6: Final answer
    x = 4,368.98

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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.