Home / 4,689.76-7,035.60-1,569.40

Finding the Fourth Proportional to 4,689.76, 7,035.60 and 1,569.40

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Solution

The fourth proportional to 4,689.76, 7,035.60 and 1,569.40 is: 2,354.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,689.76 : 7,035.60 = 1,569.40 : x
  2. Step 2: Convert to fraction form
    4,689.76/7,035.60 = 1,569.40/x
  3. Step 3: Cross multiply
    4,689.76x = 7,035.60 × 1,569.40
  4. Step 4: Simplify right side
    4,689.76x = 11,041,670.64
  5. Step 5: Solve for x
    x = 11,041,670.64/4,689.76
  6. Step 6: Final answer
    x = 2,354.42

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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.