Home / 5,707.08-8,547.66-5,130.36

Finding the Fourth Proportional to 5,707.08, 8,547.66 and 5,130.36

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Solution

The fourth proportional to 5,707.08, 8,547.66 and 5,130.36 is: 7,683.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,707.08 : 8,547.66 = 5,130.36 : x
  2. Step 2: Convert to fraction form
    5,707.08/8,547.66 = 5,130.36/x
  3. Step 3: Cross multiply
    5,707.08x = 8,547.66 × 5,130.36
  4. Step 4: Simplify right side
    5,707.08x = 43,852,572.96
  5. Step 5: Solve for x
    x = 43,852,572.96/5,707.08
  6. Step 6: Final answer
    x = 7,683.89

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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.