Home / 7,784.86-10,746.12-4,641.26

Finding the Fourth Proportional to 7,784.86, 10,746.12 and 4,641.26

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Solution

The fourth proportional to 7,784.86, 10,746.12 and 4,641.26 is: 6,406.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,784.86 : 10,746.12 = 4,641.26 : x
  2. Step 2: Convert to fraction form
    7,784.86/10,746.12 = 4,641.26/x
  3. Step 3: Cross multiply
    7,784.86x = 10,746.12 × 4,641.26
  4. Step 4: Simplify right side
    7,784.86x = 49,875,536.91
  5. Step 5: Solve for x
    x = 49,875,536.91/7,784.86
  6. Step 6: Final answer
    x = 6,406.74

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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.