Home / 6,953.86-10,430.70-1,688.91

Finding the Fourth Proportional to 6,953.86, 10,430.70 and 1,688.91

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Solution

The fourth proportional to 6,953.86, 10,430.70 and 1,688.91 is: 2,533.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,953.86 : 10,430.70 = 1,688.91 : x
  2. Step 2: Convert to fraction form
    6,953.86/10,430.70 = 1,688.91/x
  3. Step 3: Cross multiply
    6,953.86x = 10,430.70 × 1,688.91
  4. Step 4: Simplify right side
    6,953.86x = 17,616,505.09
  5. Step 5: Solve for x
    x = 17,616,505.09/6,953.86
  6. Step 6: Final answer
    x = 2,533.34

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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.